SpriteAtlas reduce build size?

I wanna ask spriteatlas will reduce build size ? Example i have texture A and B and pack it in spriteatlas C(Compressed) so Will A & B be replaced and removed by C in build project ?

 

Yes, that's how SpriteAtlas should work.

 

Putting textures in an atlas doesn't generally reduce build size, the benefit is usually for increasing performance. However, careful reuse of the textures within an atlas across multiple objects can save memory.